import java.util.Scanner;

public class demo010 {
    public static void main(String[] args){
        Scanner scan=new Scanner(System.in);
        System.out.println("请输入星期");
        String a=scan.next();
        switch (a){
            case "1":
                System.out.println("周一：鸡蛋");
                break;
            case "2":
                System.out.println(" 周二：鱼");
                break;
            case "3":
                System.out.println("周三：青菜");
                break;
            case "4":
                System.out.println("周四：牛肉");
                break;
            case "5":
                System.out.println("周五：虾 ");
                break;
            case "6":
                System.out.println("周六：汉堡 ");
                break;
            case "7":
                System.out.println("周天：鸡翅");
                break;
            default:
                System.out.println("输入有误");
        }
    }
}
